Drug interactions
Dalteparin + Fennel
Severity: Minor
Dalteparin and Fennel: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Fennel has been theorized to have mild antiplatelet or anticoagulant properties, but there is little clinical evidence of a meaningful effect on bleeding with dalteparin. Culinary amounts are unlikely to matter.
What this interaction means in plain words
Dalteparin and Fennel have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak antiplatelet effect of fennel constituents; not established clinically.
What to do
No change is needed for dietary amounts. Counsel patients to report unusual bruising or bleeding if they take concentrated fennel supplements.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dalteparin and Fennel, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Dalteparin
- Dalteparin + Defibrotide Contraindicated
- Dalteparin + Ketorolac Contraindicated
- Dalteparin + Mifepristone Contraindicated
- Abciximab + Dalteparin Major
- Acalabrutinib + Dalteparin Major
- Aceclofenac + Dalteparin Major
Frequently asked questions
Can I take Dalteparin with Fennel?
MediHelp rates the interaction as minor. Dalteparin and Fennel have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Fennel has been theorized to have mild antiplatelet or anticoagulant properties, but there is little clinical evidence of a meaningful effect on bleeding with dalteparin. Culinary amounts are unlikely to matter.
How serious is the interaction between Dalteparin and Fennel?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No change is needed for dietary amounts. Counsel patients to report unusual bruising or bleeding if they take concentrated fennel supplements.
What other medicines interact with Dalteparin?
MediHelp also lists interactions of Dalteparin with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Dalteparin page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
